A) only if you don't have glasses B) any time chemicals, heat, or sediments are used to protect your eyes C) to avoid eye strain D) to improve vision
A) skip it and go to the next part B) ask the teacher before you start C) figure it out as you do the lab D) try several methods until something works
A) disposed of according to your teacher's directions B) taken home C) dumped into the sink D) left at your table for the next class
A) see a doctor after school B) tell the teacher at once C) apply first aid yourself D) visit the school nurse after class
A) examine all glassware to check for chips or cracks B) read all directions carefully to know what equipment is needed C) All of these D) clean any glassware that looks dirty
A) closed-toed shoes B) open-toed shoes C) slippers D) sandals
A) okay if you are working alone B) not dangerous C) always against the rules D) Ok
A) your best friend in class B) your lab partners C) the custodian D) your teacher
A) when you are wearing your best clothes B) wiping your hands C) the protection of you and your clothing D) others to put away
A) pour it on the table B) waft the odor toward you C) use a fan D) nhale deeply
A) all of these B) Clear off your table of books, food, and drinks C) Ask the teacher about any questions you have D) read all the directions
A) fire extinguisher B) fire blanket C) all of these D) classroom door B) fire extinguisher
A) wipe your hands with a paper towel B) ipe your hands on your clothes C) wash your hands with soap and water D) treat your hands with skin lotion
A) try to figure out what the sticky substance is B) Wash your hands and tell the teacher C) wipe your hands on a classmate D) wipe your hands on your pants
A) Lab coat B) Safety glasses C) sun glasses D) gloves
A) skipped the lab B) put her hair up in a rubber band C) gotten a hair cut before class today D) worn a hat today
A) Your coat B) Water from the sink C) the fire extinguisher D) The fire blanket
A) while you are working B) After school C) before you start D) Next week
A) follow the instructions of your teacher B) wash them down the sink C) burn them in a burner D) throw them in the trash
A) your hands should be dry B) ask the custodian C) ask the nurse. D) your hand must be wet
A) away from you and toward others B) away from you and others C) toward you and away from others D) toward you and others
A) pour acid into water B) pour water into acid C) pour them at the same time D) let the teacher pour them
A) False B) true
A) false B) true
A) false B) true |